UTIL: ProcUptime - process uptime

Добавляем uptime  для процесса
7dc898ce5f81666a4cd5f912f49a3035dc2c599c

1 files changed, 17 insertions, 0 deletions

diff --git a/util/datetime/process_uptime_ut.cpp b/util/datetime/process_uptime_ut.cpp
new file mode 100644
index 00000000000..4ef95e4323a
--- /dev/null
+++ b/util/datetime/process_uptime_ut.cpp
@@ -0,0 +1,17 @@
+#include <library/cpp/testing/unittest/registar.h>
+
+#include "base.h"
+#include "process_uptime.h"
+#include "uptime.h"
+
+Y_UNIT_TEST_SUITE(TestProcessUptimeSuite) {
+    Y_UNIT_TEST(TestProcessUptime) {
+        auto t0 = Uptime();
+        auto t1 = ProcessUptime();
+        UNIT_ASSERT(t1 < TDuration::Minutes(30));
+        UNIT_ASSERT(t0 > t1);
+        Sleep(TDuration::MilliSeconds(50)); // typical uptime resolution is 10-16 ms
+        auto t2 = ProcessUptime();
+        UNIT_ASSERT(t2 >= t1);
+    }
+}